22-jewel Cal. 1040 movement numbered 36263830 to the rotor blue dial with white Arabic numerals at five minute intervals subsidiary hour recording and running seconds/twenty-four hour dials at six and nine oclock respectively date aperture at three oclock central black and orange arrow hand leads to outer minute recording divisions bordered by black on white Arabic tachymetre ring cushion shaped steel case with twin chronograph pushers flanking crown to three oclock side fitted associated black leather strap with steel Omega buckle 38mm.